Unpaywall FAQ
When an article has more than one OA location, we need to decide which is the most current, authoritative version, which is first in oa_locations and is cal...
Tue, 19 Jan, 2021 at 8:59 AM
Unpaywall Title Search Endpoint The Unpaywall title search endpoint gives you the full DOI API response for up to 50 articles with titles matching your ...
Wed, 28 Oct, 2020 at 10:31 AM
There are many definitions of what constitutes an OA license, including the BOAI, OSI and SPARC (for a more comprehensive list, see this literature review)....
Tue, 5 Jan, 2021 at 10:54 AM
In each oa_location, the purpose of oa_date is to tell you when the full text of this version of the article was first available at this location. Here’s an...
Mon, 19 Oct, 2020 at 11:15 AM
We're pretty flexible. In general, if a page makes the full text of an article available for free, either directly on the page, through a PDF link, or ...
Thu, 31 Dec, 2020 at 1:45 PM
In general, publisher means this location is provided by the article's original publisher, through the canonical doi.org URL, as a Published or Accepte...
Thu, 31 Dec, 2020 at 1:45 PM
Glad you asked! Documentation for the shared schema is here: https://unpaywall.org/data-format And the field names are listed here so this article appea...
Tue, 12 Jan, 2021 at 1:28 PM
The Unpaywall browser extension gets open access locations by calling our REST API. The API is called using DOIs, so the extension needs to be able to find ...
Mon, 8 Mar, 2021 at 10:07 AM